Where Is The Serial Number On A Stihl Chainsaw

Some, but not all, Stihl chainsaw manuals indicate where to find the saw's serial number. Depending on when the saw was made, the manuals take different formats. A good place to start looking is the last page, which has ordering information for parts and may describe the location of your serial number.

(Updated at 1:09 p.m. MST February 24, 2017)

Today the Consumer Product Safety Commission (CPSC) announced a recall of 100,000 STIHL chainsaws that are at risk of fire and burn hazards. The saws being recalled are:

Models
  • MS 461
  • MS 461 R
  • MS 461 R Rescue
  • GS 461 Rock Boss.

The first three are used by firefighters. The last two were not included in STIHL’s official recall notice but a company representative we talked to at the STIHL recall office confirmed they are also on the list.

STIHL Inc. has received 117 reports of pinched or leaking fuel lines but the company reports they are unaware of any damage or injuries caused by the possible defect.

Recalled chainsaws have a serial number between 173092800 and 181993952 under the front hand guard on the engine housing’s sprocket side. The models affected were sold for approximately $1,000 from July 2012 through December 2016.

The recommendation is that owners of the saws immediately stop using them and take them to an authorized STIHL dealer for a free inspection and repair.

MS 461’s are sometimes used by wildland firefighters for constructing fireline and felling trees. This model has been cited in at least one report of a different problem — vapor lock that can result in the engine dying. When the operator removes the gas cap to check on the fuel level, occasionally a “fuel geyser” sprays pressurized gas. This has caused serious burn injuries when the fuel ignites.

Here is a link to the official CPSC recall notice for the pinched or leaking fuel line issue. The STIHL website has a list of seven recalls for various products.

(After calling and talking with the STIHL recall office, the article was updated at 1:09 p.m. MST February 24, 2017 to include two other models of chainsaws that were recalled but not included in the official notice from Stihl and the CPSC. Those two additional saws are the MS 461 R Rescue and the GS 461 Rock Boss concrete saw)

Stihl chain identification chart

Description

Stihl 066 Chainsaw Service Manual

Stihl 066 Service Manual for the Stihl chainsaw. Repair the 066 (66 Magnum) chainsaw with this PDF workshop manual (SM). The manual has diagrams and accurate information as used by professional mechanics and repair shops to troubleshoot and repair the chainsaw.

View free page images online or download full PDF that you can print or view on any suitable device.

Stihl 066 Specifications

ENGINE DISPLACEMENT:91.6 ccm (5.58 cu. in.)
NUMBER OF CYLINDERS:1
CYLINDER BORE:54 mm
PISTON STROKE:40 mm
MANUFACTURER ADVERTISED H.P.:6.8 B.H.P.

MAXIMUM ENGINE RPM:13,000
IDLE RPM:2,500

The manuals have accurate service information and diagrams to make the entire repair process easy for you. Can be used as guides for other models as they may share key components such as motors. Parts List Manuals (IPL) and comprehensive carburetor Manuals also available on this website.

The Stihl 066 was rebranded and became the Stihl MS 660 which is still being used today. It has however gone through various updates over the years since its introduction in 1994.

Early 1994 – Thin cylinder base ( Red light etc) changed to “thick base”. Base screws changed from M6x20 to M6x25

Mid 1994 – Beefed up crank – Crankshaft BIG end changed from 12 to 13 roller pins from serial number 129 588 002. At the same time, the cylinder base gasket changed to rubber coated Steel.

Early 1995 – OHSA (NOT EPA) forced the discontinuation of the Dual port Magnum muffler from serial number 131 960 509. HP dropped to 7.2

Where Is The Serial Number Located On A Stihl Chainsaw

Mid 1996 – decomp valve fitted on all 066 from serial number 131 960 509

Early 1996 – Poly flywheel installed and crankshaft bearing increased in size from 13.5 to 15mm from serial number 131 917 066

Early 1998 – shrouds and filter box changed from squared to “rounded ” type. Limiter caps on carbs and EPA labelling…

Early 2002 – Name changed from 066 to MS 660.

This is full PDF workshop manual for the Stihl 066 chainsaw.

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It will give you clear diagrams and all the information you need to repair or service your chainsaw.

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Stihl 066 Service Manual Contents

Introduction, Specifications, Troubleshooting Attachments, Clutch, Engine, Ignition, Starter, Servicing, Controls, Fuel System, Special Tools.

Stihl Serial Number Dates

The 066 PDF manual has very detailed diagrams and information as used by professional mechanics, technicians and repair workshops. The PDF manual is designed to get the information you need quickly and easily.

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Stihl 066 Service Manual Diagrams